rwsem_acquire     458 include/linux/lockdep.h #  define rwsem_acquire(l, s, t, i)		lock_acquire(l, s, t, 0, 2, NULL, i)
rwsem_acquire     461 include/linux/lockdep.h #  define rwsem_acquire(l, s, t, i)		lock_acquire(l, s, t, 0, 1, NULL, i)
rwsem_acquire     466 include/linux/lockdep.h # define rwsem_acquire(l, s, t, i)		do { } while (0)